Python Jobs

Decagon is seeking a Senior Software Engineer to join the Agent Product Engineering team. This role involves building and shipping best-in-class AI agents that manage complex customer interactions and drive customer retention. You will have complete ownership and autonomy, working directly with leaders across various industries to solve user needs with reliable and intuitive AI agents. The position is for someone who thrives on diving deep into complex system challenges and building elegant, scalable solutions that impact millions of users.

$200k - $400k

LiteLLM is seeking a Senior Backend Engineer to join their team and focus on building robust guardrails and observability tooling for their AI Gateway. This role involves owning the backend code responsible for consistent logging of guardrail calls, surfacing errors to users, and ensuring observability instrumentation performs under high-volume traffic. Your contributions will be crucial for maintaining user trust in security and compliance features by focusing on details like latency metrics, logging traceability, and backend guardrail registration.

Harvey

Harvey is transforming legal and professional services by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. This is a rare opportunity to help build a generational company at an inflection point, with strong product-market fit and world-class investor support. The team moves fast, takes ownership, and is deeply committed to the mission, operating with intensity and pushing for excellence. As a Staff Software Engineer on the Site Reliability team, you will ensure the reliability, scalability, and performance of our legal AI platform, owning the systems that keep our platform fast, secure, and always on. Your work will be critical in scaling across 50+ regions and automating mission-critical operations to ensure Harvey remains resilient as we grow. If you are passionate about building robust systems and reducing complexity through automation, we encourage you to apply.

Hebbia is seeking a Forward Deployed Engineer to join their team. In this hands-on role, you will be embedded with strategic customers, building the final layer of Hebbia's AI platform to suit their specific workflows, data, and domain. You will write production code, ship it, and own it, acting as the crucial link between the platform and customer environments. This position is ideal for engineers who want to combine deep technical work with direct customer impact, seeing their code create value quickly. You will collaborate closely with the core engineering team on code reviews, architecture, and deployment, as well as with account teams to prioritize your efforts. The role requires working in person at our offices in NYC and SF.

$180k - $300k

OpenAI

OpenAI is seeking a Software Engineer to join the Scaling team, which builds the architectural and engineering backbone for the company's infrastructure. This role focuses on enabling production workloads and end-to-end testing on new platforms. You will be responsible for creating test harnesses, developing platform stress benchmarks, and porting existing AI model training and inference workloads to new systems and hardware. A key aspect of this position involves analyzing performance, identifying bottlenecks, and characterizing the behavior of new compute, communication, storage, and control plane systems, including their failure modes.

Harvey

Harvey is transforming legal and professional services by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. This is a rare opportunity to help build a generational company at an inflection point, with strong product-market fit and significant investor backing. The team moves fast, takes ownership, and is deeply committed to the mission, operating with intensity and pushing for excellence. As a Staff Software Engineer on the Core Infrastructure team, you will play a critical role in designing, building, scaling, and strengthening the infrastructure that powers every user interaction with Harvey's AI platform. You will work in an environment balanced between innovation and operational excellence, ensuring the platform remains resilient and efficient as it scales.

OpenAI

We are seeking applied AI engineers to transform Codex agents from impressive demonstrations into dependable tools. This role focuses on enhancing agent performance for real-world software engineering tasks, bridging the gap between research capabilities and practical usefulness. You will collaborate closely with research, infrastructure, and product teams to ensure agents are powerful, steerable, and reliable. The objective is to achieve measurable improvements in solve rates, usefulness, and economic value for users by refining model behavior and system integration.

Mistral AI

Mistral AI is seeking a DevSecOps Engineer to architect and maintain the security of its rapidly scaling AI infrastructure and application lifecycle. The role involves treating security as a seamless enabler for research and engineering teams, embedding robust security controls into CI/CD pipelines, infrastructure, and developer workflows without compromising deployment velocity. The company is a dynamic, collaborative team passionate about AI, democratizing it through open-source models and products, and aims to make a meaningful impact by shaping the future of AI.

OpenAI

OpenAI's Applied AI Engineering team partners with leading organizations to design, build, and deploy AI systems that deliver measurable business outcomes. This role involves combining deep technical judgment, hands-on engineering, and customer leadership to take ambitious ideas from use-case selection and architecture through prototyping, evaluation, production launch, and scale. You will write and debug code, build evaluation systems, resolve complex integrations, and guide decisions involving model behavior, reliability, latency, cost, safety, security, governance, and operational readiness. Success is measured by production systems, sustained adoption, and meaningful customer impact. This is a rare opportunity to work on consequential real-world deployments at the frontier of AI while directly influencing how OpenAI’s products evolve.

Replit

Join our Enterprise Platform team and build the infrastructure foundations that enable the world's largest organizations to run Replit within their security and compliance boundaries. As a Software Engineer on this team, you'll design and implement the deployment flexibility, networking capabilities, authorization systems, and data controls that enterprises require, from single-tenant architectures and private connectivity to custom policy enforcement and customer-managed encryption. You'll work at the intersection of cloud infrastructure and enterprise requirements, partnering with Platform Engineering, Security, and Sales to ship capabilities that unlock adoption at demanding organizations.

Mistral AI

Mistral AI is seeking a Technical Lead, Applied AI to drive the technical strategy, execution, and delivery of complex AI solutions for enterprise customers. This role involves leading project teams of Applied AI Engineers to ensure successful deployment of Mistral AI products and the development of high-impact, scalable AI use cases. You will serve as the primary technical point of contact for strategic customers, guiding them through the entire lifecycle from pre-sales to post-implementation, and collaborating with research, product, and engineering teams to shape future offerings. The position bridges cutting-edge AI research with real-world enterprise applications, ensuring solutions are robust, scalable, and aligned with customer needs and Mistral's vision.

Cohere

Cohere is seeking a Senior Member of Technical Staff to join the Safety and Security for Agents team. In this role, you will significantly contribute to the development of safer, fairer, more trustworthy, and more secure Large Language Models (LLMs). Your work will focus on data generation, post-training algorithms, and evaluation methods to ensure the safety of next-generation models that interact with external resources and take actions. You will collaborate closely with machine learning teams, data annotation teams, and product and policy teams, requiring a blend of machine learning expertise, ethical AI principles, experimental design, and data management skills. This position offers significant autonomy and decision-making power within a small team, with the opportunity to shape the future of LLMs for societal benefit.

OpenAI

OpenAI's Hardware organization is developing next-generation AI-native silicon and system-level solutions tailored for advanced AI workloads. As an Engineer on our hardware optimization and co-design team, you will collaborate with vendors to co-design future hardware for programmability and performance. You will work closely with kernel, compiler, and machine learning engineers to understand their needs regarding ML techniques, algorithms, and programming expressivity. Your role will involve evangelizing these constraints to vendors to influence future hardware architectures for efficient AI model training and inference, and optimizing large language models across devices, networking bottlenecks, and compute pipelines.

Mistral AI

Mistral AI is seeking an Applied AI Engineer to join their team and facilitate customer adoption of their AI products. This role involves collaborating closely with customers to address complex technical challenges, from pre-sale to post-implementation, ensuring solutions meet and exceed client expectations. You will manage daily customer relations, act as a key resource for externalizing research into production, and work on state-of-the-art Generative AI applications across various industries. This position offers the opportunity to contribute to a pioneering company shaping the future of AI and make a meaningful impact.

Harvey

Harvey is transforming legal and professional services by combining frontier agentic AI with an enterprise-grade platform. We are a fast-scaling company with strong product-market fit, seeking individuals who want to do the best work of their careers alongside driven colleagues. Our values are Decisiveness, Simplicity, and Job's Not Finished, emphasizing quick action, scalable solutions, and continuous improvement. As a Staff Database Engineer, you will define and evolve our global PostgreSQL database infrastructure. This leadership role involves setting technical strategy for our fleet, establishing standards for migration governance, driving multi-region scaling architecture, and ensuring data layer reliability. You will partner with senior engineers on roadmap decisions while also being hands-on in diagnosing and resolving critical issues.

$191k - $325k

Hebbia is seeking an Integrations Engineer to own the full lifecycle of integrations that power its AI platform. This role involves designing, deploying, monitoring, and debugging data pipelines that bring customer data from various enterprise systems into Hebbia's platform. You will work with complex, real-world data environments, building resilient, production-grade systems that handle unreliable APIs, evolving schemas, and massive datasets. This is a hands-on, high-ownership, and deeply technical position where you will develop expertise in distributed systems, data pipelines, and large-scale debugging, gaining exposure to real production systems with immediate customer impact.

$160k - $265k

Crusoe is seeking a Senior Staff Software Engineer for the AI Model Lifecycle team to build a comprehensive managed platform for the entire application development lifecycle, with a specific focus on leveraging Machine Learning models, including Large Language Models (LLMs). This role is crucial in accelerating the abundance of energy and intelligence by powering the world's most ambitious AI workloads. You will join a team building the future of AI infrastructure, solving the bottleneck of power for AI compute with an energy-first approach. We are looking for problem-solving, opportunity-finding teammates with a sense of urgency who thrive on building the path forward.

$238k - $318k

Stability AI

We are seeking passionate Machine Learning Engineers to join our Inference team, focusing on the creative applications of generative AI models. The ideal candidate will have substantial experience developing and running inference for multi-modal models. A deep understanding of diffusion model architectures and familiarity with workflow tools like ComfyUI are a big plus. You will be expected to leverage and push the boundaries of state-of-the-art inference optimization techniques for multi-modal generative models. This role offers the opportunity to work alongside top researchers and engineers, utilizing cutting-edge high-performance computing resources to make a significant impact in the rapidly evolving field of generative AI.

Crusoe is seeking a Senior Software Engineer for their AI Model Lifecycle team to build a comprehensive managed platform for the entire application development lifecycle, with a specific focus on leveraging Machine Learning models, including Large Language Models (LLMs). This role is crucial in accelerating the abundance of energy and intelligence by powering ambitious AI workloads. The ideal candidate will be a problem-solving, opportunity-finding teammate with a sense of urgency, who believes in the scale of Crusoe's ambition and thrives on a path not fully paved.

$172k - $231k

Cohere

Cohere is seeking a Solutions Architect for its Public Sector business, offering significant autonomy in technical pre-sales and post-sales activities. This role is crucial for growing Cohere's presence in the public sector and requires a deep understanding of customer challenges to map them to Cohere's AI solutions. You will act as a trusted technical advisor, fostering strong relationships with stakeholders and driving the adoption of Cohere products. This position demands a blend of strategic thinking and hands-on execution, including building customer Proof of Concepts (PoCs) and translating business objectives into technical solutions. You will also serve as the voice of the customer, liaising with the product team, providing guidance on best practices, and identifying areas for platform improvement.